Christmas is in the air above the English Countryside. With the yuletide, snow comes with winds of change for Chise and Elias, even as a long December shadow begins to stalk the enchanted hills they call home.

As a high-schooler, Meguru finds himself drawn to the world of mixed-martial arts as a casual undertaking, but when he steps into the ring for his first competition he finds himself in a grudge-match facing down his old friend from elementary school.

On a planet made up entirely of clockwork, even a single malfunctioning cog could have devastating effects. Little does mechanic Naoto Miura know, he's about to become very directly involved in his world's machinery in more ways than one.